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  1. Life
  2. Plants
  3. Vascular Plants
  4. Dicots
  5. Sunflowers, Bellflowers, Fanflowers, and Allies
  6. Sunflower Family
  7. Plumeless Thistles
  8. Italian Thistle

species 27,076 observations

Italian Thistle

Carduus pycnocephalus

Status
introduced
Traits
Where
In the US
Source
iNaturalist

Field notes

Supports All

36 native animals
supported in the US
  • Caterpillars Moths and butterflies raised on it Mylitta Crescent, Garden Tiger, Pointed Groundling 3
  • Plant eaters Animals that feed on it Plum-thistle Aphid, Thistle Crown Weevil, Leafcurl Plum Aphid, Thistle Aphid 8
  • Flower visitors Pollinators and other flower visitors Yellow-faced Bumble Bee, Colorado Mason, Black-tailed Bumble Bee, Tripartite Sweat Bee 25

Range

United States

Greener is more native, amber more introduced; paler is less certain. How this was decided

Key traits

Layer
Herbaceous plants
Plant type
Annual Wildflower

From USDA PLANTS.

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